<template>
  <svg
    :class="svgClass"
    aria-hidden="true">
    <use
      :xlink:href="iconClassName"
      :fill="color" />
  </svg>
</template>

<script setup lang="ts">
import { computed } from 'vue'

const props = defineProps({
  iconName: {
    type: String,

    required: true
  },

  className: {
    type: String,

    default: ''
  },

  color: {
    type: String
  }
})

// 图标在 iconfont 中的名字

const iconClassName = computed(() => {
  return `#${props.iconName}`
})

// 给图标添加上类名

const svgClass = computed(() => {
  if (props.className) {
    return `svg-icon ${props.className}`
  }
  return 'svg-icon'
})
</script>

<style scoped>
.svg-icon {
  width: 1em;

  height: 1em;

  position: relative;

  fill: currentColor;

  vertical-align: -2px;
}
</style>
